Samsung’s upcoming Galaxy S26 lineup is starting to take shape, and early leaks hint at some noteworthy improvements in battery life. As anticipation builds ahead of the expected January 2026 launch, new details about the Galaxy S26 Pro and S26 Edge suggest Samsung is addressing user concerns around battery performance.
Bigger batteries for the Pro and Edge
A report from GalaxyClub claims the Galaxy S26 Pro will pack a 4,300mAh battery — a decent bump from the 4,000mAh unit in last year’s S25. The S26 Edge, which is expected to replace both the S25 Edge and S25 Plus, is said to include a 4,200mAh battery. That’s up from 3,900mAh in the S25 Edge, but still notably smaller than the 4,900mAh battery found in the S25 Plus.
The Galaxy S26 Ultra, meanwhile, is sticking with its tried-and-tested 5,000mAh battery, which is rumored to support 60W fast charging — an upgrade over the 45W on its predecessor. While the capacity gains are modest, they seem targeted — particularly in response to battery life complaints about the S25 Edge. That said, the S26 Edge’s smaller battery compared to the outgoing Plus model is already raising eyebrows.
What makes things even more concerning is Samsung’s chipset choice for the S26 lineup. The S26 Ultra is almost confirmed to use the Snapdragon 8 Elite 2, while Samsung has hinted that the Exynos 2600 will also be part of the lineup. If past trends are any indication, the Edge and Pro models could very well end up with the Exynos 2600 — making power efficiency and battery life even more uncertain.
Whether the 2nm process node of the Exynos 2600 (paired with improved resource management) can avoid canceling out the 300mAh battery gain — or if the phone ends up offering better battery life at all — remains to be seen.
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